/*
 * Copyright 2012-2023 The Feign Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */
package com.zhou.common.mybatis.template.shiro.util;

import feign.*;
import feign.gson.GsonDecoder;
import feign.slf4j.Slf4jLogger;

import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

/**
 * adapted from {@code com.example.retrofit.GitHubClient}
 */
public class GitHubExample {

  public static void main(String... args) {

    Slf4jLogger logger = new Slf4jLogger(GitHubExample.class);

    GitHub github = Feign.builder()
            .decoder(new GsonDecoder())
            .logger(logger)
            .logLevel(Logger.Level.FULL)
            .target(GitHub.class, "https://api.github.com");

    System.out.println("Let's fetch and print a list of the contributors to this library.");
    List<Contributor> contributors = github.contributors("netflix", "feign");
    for (Contributor contributor : contributors) {
      System.out.println(contributor.login + " (" + contributor.contributions + ")");
    }
  }

  interface GitHub {

    @RequestLine("GET /repos/{owner}/{repo}/contributors")
    List<Contributor> contributors(@Param("owner") String owner, @Param("repo") String repo);

    @RequestLine("GET /api/documents/{contentType}")
    @Headers("Accept: {contentType}")
    String getDocumentByType(@Param("contentType") String type);


    @RequestLine("GET /?name={name}")
    CompletableFuture<Void> queryMapWithQueryParams(@Param("name") String name,
                                                    @QueryMap Map<String, Object> queryMap);

    @RequestLine("GET /")
    CompletableFuture<Void> headerMap(@HeaderMap Map<String, Object> headerMap);

    @RequestLine("GET /")
    @Headers("Content-Encoding: deflate")
    CompletableFuture<Void> headerMapWithHeaderAnnotations(@HeaderMap Map<String, Object> headerMap);

    @RequestLine("POST /")
    @Body("%7B\"customer_name\": \"{customer_name}\", \"user_name\": \"{user_name}\", \"password\": \"{password}\"%7D")
    CompletableFuture<Void> login(@Param("customer_name") String customer,
                                  @Param("user_name") String user,
                                  @Param("password") String password);

  }

  static class Contributor {

    String login;
    int contributions;
  }
}
